I recently installed a Xintex CO Detector and wired it directly into one of my batteries. I have a year old Xantrex Trucharge 20 Plus charger. For the last two weeks when I have checked on the boat the charger was in "charge mode" rather than "ready". When I have disconneted the new CO Detector the problem goes away. I know the CO Detector has a slight draw, but not enough to cause the charger to revert to charge mode...right? Could the CO Detector be defective? It is fuse protected, and so far the fuse has not blown. What could be ocuring to cause this condition. I invested in a "smart charger" to prevent cooking of my batteries.